One-Bowl Peanut Butter Banana Cookies
Soft, chewy cookies made from ripe bananas and peanut butter, requiring just three ingredients and one bowl for easy cleanup. This american-inspired desserts (gluten free) ready in about 25 minutes layers medium ripe bananas, mashed, creamy peanut butter, rolled oats into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 110 calories and feeds 12, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 medium ripe bananas, mashed
- 1 cup creamy peanut butter
- 1 cup rolled oats
Instructions
- Step 1: Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
- Step 2: In a large mixing bowl, mash 2 medium ripe bananas with a fork until smooth and creamy.
- Step 3: Add 1 cup creamy peanut butter and 1 cup rolled oats to the mashed bananas and stir with a spoon until all ingredients are fully combined into a thick dough.
- Step 4: Using a tablespoon, scoop dough onto the prepared baking sheet, spacing the cookies about 2 inches apart and gently flattening each with the back of the spoon.
- Step 5: Bake for 12-15 minutes until the edges are golden and the cookies feel set to the touch.
- Step 6: Let cookies cool completely on the baking sheet before transferring to a wire rack to finish cooling.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does One-Bowl Peanut Butter Banana Cookies take to make?
Total time is about 25 minutes (10 min prep + 15 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover One-Bowl Peanut Butter Banana Cookies?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in One-Bowl Peanut Butter Banana Cookies?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale One-Bowl Peanut Butter Banana Cookies for a different number of people?
The recipe is written for 12 servings. Multiply each ingredient by (your serving target / 12). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is One-Bowl Peanut Butter Banana Cookies gluten free?
Yes — this recipe is tagged gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
